<template>
  <LoginHeader>联合登录</LoginHeader>
  <section class="container" v-if="isBind">
    <div class="unbind">
      <div class="loading"></div>
    </div>
  </section>
  <section class="container" v-else>
    <nav class="tab">
      <a @click="hasAccount = true" :class="{ active: hasAccount }" href="javascript:;">
        <i class="iconfont icon-bind" />
        <span>已有优选商坊账号，请绑定手机</span>
      </a>
      <a @click="hasAccount = false" :class="{ active: !hasAccount }" href="javascript:;">
        <i class="iconfont icon-edit" />
        <span>没有优选商坊账号，请完善资料</span>
      </a>
    </nav>
    <div class="tab-content" v-if="hasAccount">
      <CallbackBind :unionId="unionId" />
    </div>
    <div class="tab-content" v-else>
      <CallbackPatch :unionId="unionId" />
    </div>
  </section>
  <LoginFooter />
</template>

<script setup>
import { ref } from 'vue'
import { useStore } from 'vuex'
import { useRouter } from 'vue-router'

import LoginHeader from './components/login-header'
import LoginFooter from './components/login-footer'
import CallbackBind from './components/callback-bind'
import CallbackPatch from './components/callback-patch'

import QC from 'qc'
import { userQQLogin } from '@/api/user'
import Message from '@/components/library/Message'

const hasAccount = ref(true)

const unionId = ref(null)
// 假设已经绑定，默认会去做一次登录，如果登录失败证明未绑定。
const isBind = ref(true)
// 1. 获取QQ互联的openId也就是后台需要的unionId
// 2. 根据QQ互联的openId去进行登录，准备一个接口
const store = useStore()
const router = useRouter()
if (QC.Login.check()) {
  // 检查QQ是否登录
  QC.Login.getMe((openId) => {
    unionId.value = openId
    userQQLogin(openId).then(data => {
      // 代表：使用qq登录成功
      // 1. 存储用户信息
      const { id, account, avatar, mobile, nickname, token } = data.result
      store.commit('user/setUser', { id, account, avatar, mobile, nickname, token })
      store.dispatch('cart/mergeLocalCart').then(() => {
        // 2. 跳转到来源页或者首页
        router.push(store.state.user.redirectUrl)
        // 3. 成功提示
        Message({ type: 'success', text: 'QQ登录成功' })
      })
    }).catch(e => {
      // 代表：使用qq登录失败===>1. 没绑定优选商坊帐号  2. 没有优选商坊帐号
      isBind.value = false
    })
  })
}
isBind.value = false
</script>

<style scoped lang='less'>
.container {
  padding: 25px 0;
  position: relative;
  height: 730px;

  .unbind {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 25px 0;
    z-index: 99;

    .loading {
      height: 100%;
      background: #fff url(../../assets/images/load.gif) no-repeat center / 100px 100px;
    }
  }
}

.tab {
  background: #fff;
  height: 80px;
  padding-top: 40px;
  font-size: 18px;
  text-align: center;

  a {
    color: #666;
    display: inline-block;
    width: 350px;
    line-height: 40px;
    border-bottom: 2px solid #e4e4e4;

    i {
      font-size: 22px;
      vertical-align: middle;
    }

    span {
      vertical-align: middle;
      margin-left: 4px;
    }

    &.active {
      color: @xtxColor;
      border-color: @xtxColor;
    }
  }
}

.tab-content {
  min-height: 600px;
  background: #fff;
}
</style>
